/*
Copyright 2010 Selenium committers

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

     http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
 */

package org.openqa.selenium.html5;

import java.util.Set;

/**
 * Represents the session storage in the browser for the site currently opened in the browser. The
 * session storage areas is specific to the current top level browsing context. Each context has a
 * unique set of session storage, one for each origin. Sites can add data to the session storage and
 * it will be accessible to any page from the same site opened in that window.
 */
public interface SessionStorage {

  String getItem(String key);

  Set<String> keySet();

  void setItem(String key, String value);

  String removeItem(String key);

  void clear();

  int size();
}
